[INFO] fetching crate historian 4.0.4...
[INFO] testing historian-4.0.4 against 1.55.0 for beta-1.56-1
[INFO] extracting crate historian 4.0.4 into /workspace/builds/worker-77/source
[INFO] validating manifest of crates.io crate historian 4.0.4 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate historian 4.0.4
[INFO] finished tweaking crates.io crate historian 4.0.4
[INFO] tweaked toml for crates.io crate historian 4.0.4 written to /workspace/builds/worker-77/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 324889c5040be65009666f80de5e247145a0223daf962afee1ef922395d7d2e8
[INFO] running `Command { std: "docker" "start" "-a" "324889c5040be65009666f80de5e247145a0223daf962afee1ef922395d7d2e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "324889c5040be65009666f80de5e247145a0223daf962afee1ef922395d7d2e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "324889c5040be65009666f80de5e247145a0223daf962afee1ef922395d7d2e8", kill_on_drop: false }`
[INFO] [stdout] 324889c5040be65009666f80de5e247145a0223daf962afee1ef922395d7d2e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bba01893bf3f75816d88863f5267db3b50f33c9d9eca7c6272f9c1eb72928546
[INFO] running `Command { std: "docker" "start" "-a" "bba01893bf3f75816d88863f5267db3b50f33c9d9eca7c6272f9c1eb72928546", kill_on_drop: false }`
[INFO] [stderr]    Compiling historian v4.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.37s
[INFO] running `Command { std: "docker" "inspect" "bba01893bf3f75816d88863f5267db3b50f33c9d9eca7c6272f9c1eb72928546", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bba01893bf3f75816d88863f5267db3b50f33c9d9eca7c6272f9c1eb72928546", kill_on_drop: false }`
[INFO] [stdout] bba01893bf3f75816d88863f5267db3b50f33c9d9eca7c6272f9c1eb72928546
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff45d8d8e35aba79255e5027c25bb3b9cf291f5486107d27b2ad1f7acb6d0fdc
[INFO] running `Command { std: "docker" "start" "-a" "ff45d8d8e35aba79255e5027c25bb3b9cf291f5486107d27b2ad1f7acb6d0fdc", kill_on_drop: false }`
[INFO] [stderr]    Compiling historian v4.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `Command { std: "docker" "inspect" "ff45d8d8e35aba79255e5027c25bb3b9cf291f5486107d27b2ad1f7acb6d0fdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff45d8d8e35aba79255e5027c25bb3b9cf291f5486107d27b2ad1f7acb6d0fdc", kill_on_drop: false }`
[INFO] [stdout] ff45d8d8e35aba79255e5027c25bb3b9cf291f5486107d27b2ad1f7acb6d0fdc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b92de5023422e4990008e58d2e9caa3cb7b4d16c62e76afe1123ab7e9314cc45
[INFO] running `Command { std: "docker" "start" "-a" "b92de5023422e4990008e58d2e9caa3cb7b4d16c62e76afe1123ab7e9314cc45", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/historian-86b5dd2561152295)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test it_works ... ok
[INFO] [stdout] test high_percentiles ... ok
[INFO] [stdout] test multithreaded ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests historian
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b92de5023422e4990008e58d2e9caa3cb7b4d16c62e76afe1123ab7e9314cc45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b92de5023422e4990008e58d2e9caa3cb7b4d16c62e76afe1123ab7e9314cc45", kill_on_drop: false }`
[INFO] [stdout] b92de5023422e4990008e58d2e9caa3cb7b4d16c62e76afe1123ab7e9314cc45